Definition of "Saturn"

Saturn

/ˈsæt.ɚn/

proper noun
1. (astronomy) The sixth planet of the solar system, known for its large rings, and until recent times the furthest known; represented in astronomy and astrology by ♄.
2. (Roman mythology) The god of fertility and agriculture, equivalent to the Greek Kronos.
noun
uncountable
1. (heraldry, rare) Sable (black), in the postmedieval practice of blazoning the tinctures in the arms of certain sovereign people and places as planets.
  Quotations
  12. Venus, a Staff in Pale Sol, and thereupon a Cross Pattee, Luna surmounted off a Pall of the last, charged with 4. like Crosses fitched Saturn, edged and stringed as the second. This Coat belongs to the Archiepiscopal See of Canterbury, to whose place it appertains to Crown and Inaugurate the Kings of England.
  1693, Richard Blome, The Art of Heraldry, in two parts ... second edition ..., pages 76-77
  […] The Field is Luna, a Chevron, Mars, between three Bull's Heads couped Saturn, armed Sol. This Coat-Armour pertained to the Right Noble Family of Thomas Bulleine Lord hoo and Hastings, Viscount Rochford, […] I have omitted, in this Edition, that Escucheon Sol, charged with three Toads erected Saturn, which, according to some Authors, was the Coat-Armour of the ancient Kings of France; […]
  1724, John Guillim, A Display of Heraldry, page 151
  The Archiepiscopal See of Armagh bears Jupiter, a Pastoral Staff in Pale Luna, ensigned with a Cross Pattee Sol, surmounded by a Pall of the second, edged and fringed of the third, charged with four like Crosses Pattee Fitched Saturn.
  1739, James Ware, Walter Harris, The Whole Works of Sir James Ware Concerning Ireland, volume 1, page 1
2. (obsolete, alchemy, chemistry) Lead (the metal).